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A Context-Aware Nonnegative Matrix Factorization Framework for Traffic Accident Risk Estimation via Heterogeneous Data.
Quanjun Chen
Xuan Song
Zipei Fan
Tianqi Xia
Harutoshi Yamada
Ryosuke Shibasaki
Published in:
MIPR (2018)
Keyphrases
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context aware
heterogeneous data
nonnegative matrix factorization
context awareness
context aware systems
mobile devices
traffic accidents
feature selection
decision making
data sets
data management
data integration
least squares
digital libraries
objective function
search engine
machine learning